What Is Single Top in Android?
Contents in This Launch Mode If an Instance of Activity Already Exists at the Top of the Current Task, a New Instance Will Not Be Created and Android System...
In this launch mode if an instance of activity already exists at the top of the current task, a new instance will not be created and Android system will route the intent information through onNewIntent(). If an instance is not present on top of task then new instance will be created.
What is single instance Android?
A “singleInstance” activity stands alone as the only activity in its task. If it starts another activity, that activity will be launched into a different task regardless of its launch mode — as if FLAG_ACTIVITY_NEW_TASK was in the intent. In all other respects, the “singleInstance” mode is identical to “singleTask”.
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What is back stack in Android?
A task is a collection of activities that users interact with when performing a certain job. The activities are arranged in a stack—the back stack)—in the order in which each activity is opened. … If the user presses the Back button, that new activity is finished and popped off the stack.
Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.
